High urine leukocytes generally indicate the presence of bacterial infection, which may be caused by contamination of the urine sample. 1. urine sample contamination: routine urine examination, due to the need to collect urine, urine samples are contaminated, may lead to routine urine examination false positive results, manifested as high white blood cells, usually no other urinary abnormalities, review of routine urinalysis, can be restored to normal. 2. Urinary tract infection: If you don’t pay attention to body hygiene in daily life, it may induce urinary tract infection diseases, such as cystitis or urethritis, resulting in the presence of pathogenic bacteria in the urine, which leads to high white blood cells. When bacterial culture is performed, the type of pathogenic bacteria can be determined, and appropriate anti-infective drugs should be used for treatment after diagnosis. When high urine leukocytes occur, follow the doctor’s instructions, rational use of medication, do not buy and use their own drugs to avoid adverse reactions.